\begin{tabular}{@{\extracolsep{5pt}}lc} 
\\[-1.8ex]\hline 
\hline \\[-1.8ex] 
 & \multicolumn{1}{c}{\textit{Dependent variable:}} \\ 
\cline{2-2} 
\\[-1.8ex] & Percentage of Time Clients' Lobbyists Worked on Early Legislation / Rules \\ 
\hline \\[-1.8ex] 
 At Least One Contract Lobbyist & 5.232$^{***}$ \\ 
  & (0.656) \\ 
  & \\ 
 Both Types of Lobbyist & $-$0.203 \\ 
  & (0.784) \\ 
  & \\ 
 Total Hours & $-$0.006$^{***}$ \\ 
  & (0.001) \\ 
  & \\ 
 Number of Lobbyists & 0.844$^{***}$ \\ 
  & (0.180) \\ 
  & \\ 
 Session 2 ('07-'08) & 3.821$^{***}$ \\ 
  & (0.985) \\ 
  & \\ 
 Session 3 ('09-'10) & 3.367$^{***}$ \\ 
  & (0.983) \\ 
  & \\ 
 Session 4 ('11-'12)  & 7.252$^{***}$ \\ 
  & (0.988) \\ 
  & \\ 
 Session 5 ('13-'14) & 3.924$^{***}$ \\ 
  & (0.996) \\ 
  & \\ 
 Session 6 ('15-'16) & 2.235$^{**}$ \\ 
  & (0.981) \\ 
  & \\ 
 Session 7 ('17-'18) & 1.915$^{*}$ \\ 
  & (0.985) \\ 
  & \\ 
 Half-Year 2 (Jul-Dec, Year 1) & $-$1.556$^{**}$ \\ 
  & (0.754) \\ 
  & \\ 
 Half-Year 3 (Jan-Jun, Year 2) & $-$8.598$^{***}$ \\ 
  & (0.749) \\ 
  & \\ 
 Half-Year 4 (Jul-Dec, Year 2) & 10.240$^{***}$ \\ 
  & (0.755) \\ 
  & \\ 
 Constant & 23.656$^{***}$ \\ 
  & (1.009) \\ 
  & \\ 
\hline \\[-1.8ex] 
Observations & 19,508 \\ 
R$^{2}$ & 0.045 \\ 
Adjusted R$^{2}$ & 0.045 \\ 
Residual Std. Error & 36.672 (df = 19494) \\ 
F Statistic & 71.195$^{***}$ (df = 13; 19494) \\ 
\hline 
\hline \\[-1.8ex] 
\textit{Note:}  & \multicolumn{1}{r}{$^{*}$p$<$0.1; $^{**}$p$<$0.05; $^{***}$p$<$0.01} \\ 
\end{tabular} 
